The reasons why diabetic patients are prone to cardiovascular diseases include: 1. hyperglycemia: patients are in a state of hyperglycemia and will develop insulin resistance; 2. atherosclerosis: atherosclerosis will have an impact on blood flow, and after the plaque is dislodged, patients will have strokes or cardiovascular diseases; 3. hypertension: hypertension is also an important risk factor for the occurrence of cardiovascular diseases, and diabetes and these metabolic diseases complement each other and together lead to the occurrence of cardiovascular diseases; 4. hyperlipidemia: diabetic patients are often accompanied by abnormalities in lipid metabolism.